Trees are a form of ground support structure on islands. Wave action erodes the shore, weakens the root system and trees like this one, from an island just off Windy Point, topple into the lake. Another type of shoreline protection is riprap (large stones) seen in the foreground.

ST. MARYS - There used to be Grassy, Elm, Squaw Point and Smoke Eaters, but now they're gone. Duck Blind is still around as are several with no names and even one with a cottage.
But the largest remaining island in Grand Lake i . . .